Mobile charging module of wearable electronic device

Abstract

A mobile charging module of a wearable electronic device is disclosed. The wearable electronic device includes a main body portion and a lacing portion that can be assembled to or disassembled from the main body portion, wherein the main body portion includes a host, a host battery and a Rx Coil; the lacing portion includes a Tx Coil which can be wireless and inductively charged with the Rx Coil and a backup power supply (BPS); which is characterized in: the Tx Coil and the Rx Coil are mounted on a magnetic body respectively; through controlling a coupling gap between the two magnetic bodies, the magnetic field of the Tx Coil can be coupled to the Rx Coil through the two magnetic bodies for quickly charging the host battery with high efficiency.

What is claimed is: 
     
         1 . A mobile charging module of wearable electronic device, wherein the wearable electronic device comprises a main body portion and a lacing portion that can be assembled to or disassembled from the main body portion, wherein the main body portion comprises a main body, a host battery, and a Rx Coil; the lacing portion comprises a charging module which includes a Tx Coil and a backup power supply (BPS); which is characterized in: the Tx Coil and the Rx Coil are mounted on a magnetic body respectively; through controlling a coupling gap between a coupling face of two magnetic bodies, the magnetic field of the Tx Coil can be coupled to the Rx Coil through two magnetic bodies for quickly charging the host battery with high efficiency. 
     
     
         2 . The mobile charging module of wearable electronic device as claimed in  claim 1 , wherein the magnetic field of the Tx Coil is coupled to the Rx Coil through the magnetic circuit material whose permeability (μ) is greater than or equal to 1 for charging; according to the electronic circuit function, the number of coil group on the Tx Coil and the Rx Coil may be 1−N. 
     
     
         3 . The mobile charging module of wearable electronic device as claimed in  claim 1 , wherein the charging module further comprises a charging module capable of importing electricity through the local communication line, the charging module being connected to the Tx Coil and the backup power supply (BPS) respectively. 
     
     
         4 . The mobile charging module of wearable electronic device as claimed in  claim 1 , wherein the backup power supply (BPS) is a flexible thin film battery. 
     
     
         5 . The mobile charging module of wearable electronic device as claimed in  claim 4 , wherein the flexible thin film battery can be charged through wireless charging. 
     
     
         6 . The mobile charging module of wearable electronic device as claimed in  claim 1 , wherein the magnetic body on which the Tx Coil is mounted and the magnetic body on which the Tx Coil is mounted may be coupled to each other in the form of a semi-circular magnetic body, a ⊂-shaped spacer type magnetic body, a L-shaped upper and lower plate magnetic body, or one-to-many coupling type formed by arranging a Tx Coil and a plurality of Rx Coils on a plurality of magnetic bodies in a circular shape. 
     
     
         7 . The mobile charging module of wearable electronic device as claimed in  claim 6 , wherein the coupling gap between the magnetic body of the Rx Coil and the Tx Coil is proportional to the coupling coefficient of the Rx Coil and the inductance (uH) of the Tx Coil. 
     
     
         8 . The mobile charging module of a wearable electronic device as claimed in  claim 1 , wherein the coupling gap may be greater than or equal to 0 mm.